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D21

This may be a sign of a vacuum leak. A vacuum leak can be one of the most frustrating and difficult problems to diagnose. High idle speed is a common sign and stalling is another. Confirmation of an engine vacuum...

Hello, thank you for writing in. The heater core is a difficult component to get to. Typically, you must go through a lengthy process of accessing the core from behind the dash. Once you have access to it, you can...

Hi there. The gears 3rd and 4th are both on the main shaft inside the transmission. Those gears have a synchronizer that connects the gears together. The reverse gear does not have a synchronizer to make the gear work. It...

Hey there. This is a sign of a failing fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) or potentially a faulty power connection (https://www.yourmechanic.com/services/fuel-pump-relay-replacement) to the fuel pump. As you know, if the fuel pump fails to supply adequate fuel pressure to the motor, this...

Hello. It sounds like you have a gear, bearing, bushing, or other rotating component issue caused by wear. At that mileage, really the thing to do is just simply rebuild the transmission which is not particularly difficult since it is...

Hello. If your meter fuse is blowing when you put the vehicle into drive then it is likely that your vehicle has some sort of wiring issue. If the issue occurs when you shift into drive, then it is likely...

Hello. In regards to your idle speed issue, I would recommend tuning and adjusting the carburetor until the correct idle speed is achieved. As far as the rattling noise goes, firstly I would check to make sure that the engine...

If the driver side door will not open then most of the time this is caused by a broken door latch that should be repalaced (https://www.yourmechanic.com/services/door-latch-replacement). If neither handle works then the latch is broken inside of the door or...

You may have a broken valve spring or sticking valves and will need to have the engine compression tested to see if one or more cylinders are low on compression and may need to have a valve job done.

Hi there. First you would need to know the firing order for the electronics on the distributor. The distributor number one on the firing order is the terminal on the right side at the front of the vehicle. Since you...

It sounds like you may have to replace the clutch. Clutches can fail in a number of different ways and exhibit a multitude of symptoms. Most people are acquainted with clutches that slip from simple wear, but it sounds like...

Hey there. I would check fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) output and condition of fuel injectors (https://www.yourmechanic.com/services/fuel-injector-replacement) (flow rate and solenoid resistance). After that, I would evaluate the ignition system, including distributor, plug wires, timing. If you would like to have this...

Hello. Moisture in the brake fluid is being boiled off as steam when your brake system temperature gets above 212 degrees (at sea level). The steam re-condenses as water in the system BUT air pockets can be created and remain...

Removal of the catalytic converter (https://www.yourmechanic.com/services/catalytic-converter-replacement) on a car that will be operated on the street is very illegal, and can get you a huge fine from the EPA. Also, since most modern vehicles are designed to run with some...

It sounds like the door latch needs to be removed and replaced. The door latch and locking mechanism are built into the same part and can easily be replaced. I would recommend having a technician from YourMechanic come out and...